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The Bose® QuietComfort
Acoustic Noise Cancelling® Headset
Owner’ s Guide
™
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DECLARATION OF CONFORMITY
We, the offerer:
Bose® Corporation, The Mountain, Framingham, MA
01701-9168 USA
acknowledge our sole responsibility,
that the product:
Kind of equipment: Headphones
Type designation: QuietComfortTM Acoustic Noise
Cancelling® headset
In accordance with EMC Directive 89/336/EEC
and Article 10(1) of the Directive,
is in compliance with the following
norm(s) or document(s):
Technical regulations: EN50081-1, EN50082-1
Accredited by:
Bose Corporation, The Mountain, Framingham, MA
01701-9168 USA
15 April 2000
Bose Products B.V.
Nijverheidstraat 8, 1135 GE Edam
The Netherlands
Vice President Europe
Manufacturer’s authorized
Nic Merks
EU representative
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Uses and Reminders
Your QuietComfortTMAcoustic
®
Noise Cancelling
Thank you for purchasing the Bose® QuietComfort
Acoustic Noise Cancelling headset. Advanced design,
integrated technologies, and high quality materials
enable the headset to provide you with clearer, more lifelike
sound reception, while reducing unwanted noise.
Wearing it comfortably and effectively
Notice the marking L or R on the headband just above
each earcup. They indicate the proper position (L for left
ear, R for right) to ensure a good fit and performance.
Put the headset on and adjust it so the headband rests
gently on your head and the earcushions fit snugly (an
effective seal) and comfortably around your ears (with your
ears completely inside the ear cushions).
Remove any jewelry or earwear that affects the comfort
and fit of the headset.
Using your headset
The headset has two volume settings – Hi and Lo. These
settings are only volume levels for listening to audio and do
not impact the noise reduction technology.
For noise reduction technology only, turn the unit on Hi or
Lo and do not plug the headset into any audio source.
For audio use, begin listening in the Lo setting. Then adjust
the volume on the audio source. For more volume, try the
Hi setting. First turn down the volume on the audio source,
then switch to the Hi setting. Finally, re-adjust the volume
on the audio source.
The headset can be used with a variety of audio sources:
CD, DVD, MP3, laptop computers, and home stereo.
Headset
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Uses and Reminders
Headset parts
Adjustable
headband
Plug extension
Stereo phone
adapter
L or R
mark
plug adapter
Ports
Belt
clip
Dual
Battery compartment
You may find various jack configurations on airplanes, as
depicted below. This chart will help you determine how to
connect your headset:
A single, 1⁄8" jack (and most portable sources):
use the single plug. No adapter needed.
Two 1⁄8" jacks: use the dual plug adapter.
One 1⁄8" jack and one power jack: use the single
plug in the 1⁄8" jack (the larger one). The smaller
jack does not need a connection.
Two 1⁄8" jacks and one power jack: use the dual
plug adapter for the two 1⁄8" jacks. The smaller
jack does not need a connection.
One 1⁄4" jack (for home stereos): use the 1⁄4" stereo
phone adapter.
Replaceable
earcushions
On
or low
battery light
Plug
On/Off, Hi/Lo
controls
Note: Airline audio may not equal the high quality you can
achieve with home stereo or a portable source.
The maximum input voltage is 10 Vrms.
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Uses and Reminders
Replacement parts and accessories
The following replacement parts and accessories can be
purchased by calling Bose®. See the back cover for a list
of phone numbers:
• Headband assembly • Drawstring carry bag
• Dual plug adapter • Deluxe carry bag
• Belt clip • Replacement earcushion kit
• Accessory kit (adapters,
extension cord, 2 AAA batteries)
Cleaning
Be sure to keep the ports on the outside of each earcup
free from debris. Do not blow air into or vacuum the ports
or the earcups.
Use a damp, clean cloth to remove dirt or smudges
from the various headset parts. Do not allow moisture to
enter the ports or inner earcup openings.
Avoid use of sprays or chemical cleaning fluids.
Cautions
Long-term exposure to loud music may cause hearing
damage. It is best to avoid extreme volume when using
this headset, especially for extended periods.
Do not use the headset for reproducing sound when
operating a motor vehicle on a public road or where the
inability to hear outside sounds may present a danger to
the user or others.
Sounds that you rely on as reminders or warnings may
have an unfamiliar character when you are using the
headset. Be aware of how those sounds may vary in
character, so you can recognize them as needed.
Do not drop, sit on, or allow the headset to be immersed
in water.
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Uses and Reminders
Earcushion reattachment
If the earcushions come off, replace them as follows:
1. Fit the plastic skirting around the rim of the earcup.
2. Make sure it attaches smoothly and uniformly around
the entire earcup. (Do not remove the earcup lining
material).
Earcushion
removal
Plastic
skirting
Earcup
Earcushions may need to be replaced due to normal
wear and tear. Replacement kits can be purchased by
calling Bose®. See the back cover of this owner’s guide
for a list of phone numbers.
Battery replacement
In this application, battery life averages 80 hours. With
the headset turned on, a flashing light on the control
box indicates a minimum of 8 hours of use remains.
When replacement is indicated, use 2 AAA alkaline
batteries (IEC LR03). Dispose of used batteries properly.
Note:
Rechargable batteries can be used, averaging half
–
+
+
–
the life of alkaline (NimH are recommended). However, the
low battery indicator light is not calibrated to these
batteries and may not function properly.
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Troubleshooting
Problem Possible Cause Solution
• Noise reduction No power to Turn it on,
absent headset check
battery
• Low/no volume Sound source setting Turn up
volume, set
on Hi
• Crackling noise Low batteries Replace
or intermittent loss batteries
of noise reduction
• Low rumbling Poor earcup fit, Adjust fit,
audio ports blocked clear ports
For additional help, please call Bose® customer service.
See back cover for phone numbers.
Other needs
This headset is not engineered to meet the needs of pilots
or civil aviation authority standards for aviation communications.
For that purpose, Bose offers the Aviation Headset X,
which features a microphone with the appropriate power
and intelligibility for transmission of flight information. It is
engineered to withstand the altitude and temperature
conditions common in non-commercial aircraft.
For information on the Bose Aviation Headset X, contact
Bose Corporation by calling 1-800-242-9008. For calls
made from outside the United States, 1-508-766-1099.
Warranty
The Bose QuietComfortTM Acoustic Noise Cancelling
headset is covered by a one-year transferrable, limited
warranty .
®
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©2004 Bose Corporation
The Mountain, Framingham, MA 01701-9168 USA
254864-ENGvo AM Rev.03
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